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Finding the Fourth Proportional to 154,772.94, 213,632.28 and 101,066.34

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Solution

The fourth proportional to 154,772.94, 213,632.28 and 101,066.34 is: 139,501.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,772.94 : 213,632.28 = 101,066.34 : x
  2. Step 2: Convert to fraction form
    154,772.94/213,632.28 = 101,066.34/x
  3. Step 3: Cross multiply
    154,772.94x = 213,632.28 × 101,066.34
  4. Step 4: Simplify right side
    154,772.94x = 21,591,032,645.46
  5. Step 5: Solve for x
    x = 21,591,032,645.46/154,772.94
  6. Step 6: Final answer
    x = 139,501.34

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.